.banner{
	width: 1000px;
	margin: 0 auto;
	margin-top:20px;
}
.bannercon{
	width: 900px;
	margin: 0 auto;
}
.bannertu img{
	width: 900px;
	margin: 0 auto;
}
.bannerB ul{
	width: 350px;
	margin: 0 auto;
	margin-top:20px;
}
.banner ul li{
	margin-left:24px;
	position: relative;
}
.banner ul li:nth-child(1){
	margin-left:0;
}
.banner ul li img{
	width: 90px;
	height: 90px;
	
}
.wai{
	width: 96px;
	height: 96px;
	border:1px solid #000;
	position: absolute;
	top: -4px;
	left: -4px;
	display: none;
}
.banner ul li:hover .wai{
	display: block;
}